21239196

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160903}}^1$

素因数の和:160921

約数の個数: 24

約数和(自身を含む): 54063744

約数和(自身を除く): 32824548

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160903, 321806, 482709, 643612, 965418, 1769933, 1930836, 3539866, 5309799, 7079732, 10619598, 21239196]

約数ペア:

[(1, 21239196), (2, 10619598), (3, 7079732), (4, 5309799), (6, 3539866), (11, 1930836), (12, 1769933), (22, 965418), (33, 643612), (44, 482709), (66, 321806), (132, 160903)]